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The compression ratio for premium gasoline typically ranges from 10:1 to 12:1, although some high-performance engines can go even higher, up to about 14:1. Premium gasoline, which has a higher octane rating (usually 91-93), is designed to prevent knocking and allow for more aggressive tuning in engines with higher compression ratios. This results in improved performance and efficiency in compatible vehicles. However, most standard engines do not require premium fuel and operate efficiently on regular gasoline with lower compression ratios.

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3w ago

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